231011012312 has 8 divisors (see below), whose sum is σ = 433145648100. Its totient is φ = 115505506152.

The previous prime is 231011012299. The next prime is 231011012339. The reversal of 231011012312 is 213210110132.

231011012312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14438188262 + ... + 14438188277.

Almost surely, 2^231011012312 is an apocalyptic number.

It is an amenable number.

231011012312 is a deficient number, since it is larger than the sum of its proper divisors (202134635788).

231011012312 is a wasteful number, since it uses less digits than its factorization.

231011012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28876376545 (or 28876376541 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 231011012312 its reverse (213210110132), we get a palindrome (444221122444).

The spelling of 231011012312 in words is "two hundred thirty-one billion, eleven million, twelve thousand, three hundred twelve".